NOAA S-57 chart cell

West Coast of Hawai‘i Cook Point to Upolu Point

US4HA14M

Usage band
Approach · code 4
Current edition
21.4
Features
1,353
S-57 layers
51
Published
Jan 13, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
20.31207° N
South
19.46627° N
West
156.34129° W
East
155.69946° W
Center
19.88917° N, 156.02037° W
Bounds area
1,840 sq nm
Feature density
0.7352 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
26.5
Smallest layer
1
Largest layer
370
Area sq km
6,312
Features per sq km
0.21436
  1. UWTROC Underwater rock 370
  2. SBDARE Seabed area 198
  3. DEPCNT Depth contour 131
  4. DEPARE Depth area 126
  5. LNDRGN Land region 65
  6. COALNE Coastline 53
  7. BUISGL 51
  8. BUAARE 44
  9. SLCONS Shoreline construction 43
  10. LIGHTS Light 40
  11. SEAARE Sea area 33
  12. RIVERS River 29
  13. CTRPNT 24
  14. BCNSPP Special purpose beacon 17
  15. OBSTRN Obstruction 16
  16. LNDARE Land area 15
  17. BOYSPP Special purpose buoy 13
  18. LNDMRK 13
  19. DAYMAR 8
  20. M_QUAL Data quality 8

Nearby Chart Cells

Approach usage band

  1. North Pacific Ocean - Awakee Bay to Kakapa Bay, HI US4HI1IR - about 8 nm away
  2. North Pacific Ocean - Kakapa Bay to Waiakailio Bay, HI US4HI1IS - about 10 nm away
  3. North Pacific Ocean - Pawai Bay to Awakee Bay, HI US4HI1HR - about 16 nm away
  4. North Pacific Ocean - Maihi Bay to Kailua Bay, HI US4HI1HS - about 17 nm away
  5. North Pacific Ocean - 'Alenuihaha Channel, HI US4HI1JR - about 23 nm away
  6. North Pacific Ocean - Keawanui Bay to Neue Bay, HI US4HI1JS - about 24 nm away

Current Edition Files

The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.

Editions

Edition Published Metadata
21.4 Jan 13, 2026 metadata.json